The Extech EX411A has numerous functionalities, allowing you to bring one meter into the field rather of several. The manual-ranging EX411A measures AC/DC voltage and current, resistance, diode, and continuity with ±0.5% basic accuracy. The unit can measure current as low as 0.1 µA and has input fuse safety and alerts for misconnections. A Type K thermometer is included for surface and air temperature measurements. Includes CAT III test leads, a stand, a hanging strap, a holster with built-in test lead storage, a Type K bead wire temperature probe, and one 9-volt battery.